Botnet Statistics [2021-05-12]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-12 00:00-23:59 UTC
total number of suspected botnet IPs: 27981
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 25864
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

Rank	Network	# of suspected botnet IPs
1	TencentCloud	1998
2	ALISOFT	687
3	TENCENT-CN	678
4	DIGITALOCEAN-192-241-128-0	675
5	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	578
6	VNPT-VN	565
7	VIETTEL-VN	455
8	Baidu	388
9	HINET-NET	372
10	CHINANET-SD	268

The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:

Rank	Country/Region	# of suspected botnet IPs
1	China	7595
2	United States	3819
3	Russian Federation	1598
4	India	1565
5	Viet Nam	1498
6	Brazil	1331
7	Thailand	641
8	European Union	596
9	Indonesia	571
10	Mexico	549

The top 10 TCP ports, ordered by the number of connection attempts received are:

Rank	TCP port number	# of connection attempts received
1	445	155600
2	1039	51739
3	345	46976
4	3306	46618
5	600	45963
6	22	44922
7	1139	38115
8	30805	26520
9	1433	25536
10	23	22920

20210513 Botnet Detection Live Streaming (1300+ zombies detected)